Healthy Sweet Potato and Bacon Breakfast Casserole Recipe

Ingredients

• 1 teaspoon butter
• 6 slices bacon
• 1 large sweet potato, cubed
• 1 cup chopped broccoli
• 0.25 yellow onion, chopped
• 2 cloves garlic, minced, or more to taste
• 2 cups fresh spinach
• salt and ground black pepper to taste
• 6 eggs, or more to taste